ALL BALL NERVE CENTER — For pretty much anyone in comedy, doing an impression of Shaquille O’Neal is no big deal — he’s been parodied by everyone from Kevin Hart to Frank Caliendo to Aries Spears to Jay Pharoah. But a basketball player doing an impression of Shaq? That’s a little more unexpected. So let’s give Minnesota rookie Karl-Anthony Towns some credit for breaking out a Shaq imitation last night on NBA TV. (And shoutout to Shaq for being ready to go right back at him.)